Re: 23.0.50; Crash in ediff-regions-linewise

[Stefan Monnier <monnier@iro.umontreal.ca>]

>>>>> "Toby" == Toby Allsopp <toby@mi6.gen.nz> writes:

> [I apologise if this is a duplicate message; my ISP bounced my first
> attempt.]

> Richard Stallman <rms@gnu.org> writes:

>> The crash occurred trying to print some Lisp data.  Probably some data
>> is invalid -- but which data?  Please look at the data to see what if
>> anything is invalid.

> It appears that Fmake_indirect_buffer creates a buffer object that is
> invalid in some way.  This then fails a bufferp check and results in
> an error containing the invalid buffer object.

Can you try the patch below?
BTW recompiling with -DENABLE_CHECKING should catch these problems earlier
and with a more explicit failure.


        Stefan


--- buffer.c	10 oct 2007 11:29:34 -0400	1.535
+++ buffer.c	14 oct 2007 15:03:35 -0400	
@@ -568,6 +568,7 @@
 
   b = (struct buffer *) allocate_buffer ();
   b->size = sizeof (struct buffer) / sizeof (EMACS_INT);
+  XSETPVECTYPE (b, PVEC_BUFFER);
 
   if (XBUFFER (base_buffer)->base_buffer)
     b->base_buffer = XBUFFER (base_buffer)->base_buffer;